/*
 * Copyright (c) 2012, marco.tamburelli@gmail.com
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met: 
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.bmi.gwt.mi.shared.communication;

import org.bmi.gwt.mi.shared.communication.attribute.AttributeValue;

import com.google.gwt.user.client.rpc.IsSerializable;

public class AttributeMessage<T extends AttributeValue<?>> extends Message
{
	public enum MsgType implements IsSerializable {
		/**
		 * Means that the provided attribute is requested to be added or updated
		 * to the context queue
		 */
		RequestUpdate,
		/**
		 * The provided attribute has been added or updated to the context
		 * queue.
		 */
		Updated,
		/**
		 * the provided attribute attribute is requested to be removed to the
		 * context queue
		 */
		RequestRemove,
		/**
		 * The provided attribute has been removed to the context queue.
		 */
		Removed,
		/**
		 * The provided attribute value has been requested
		 */
		RequestValue,
		/**
		 * The value is provided
		 */
		ValueProvided
	}

	private int callback;

	private String key;
	private T value;

	private MsgType msgType;

	public int getCallback()
	{
		return callback;
	}

	public void setCallback(int callback)
	{
		this.callback = callback;
	}

	public String getKey()
	{
		return key;
	}

	public void setKey(String key)
	{
		this.key = key;
	}

	public T getValue()
	{
		return value;
	}

	public void setValue(T value)
	{
		this.value = value;
	}

	public MsgType getMsgType()
	{
		return msgType;
	}

	public void setMsgType(MsgType msgType)
	{
		this.msgType = msgType;
	}
}
